PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11418Back-Up Ring,preformed Packing

Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609 · NSN 5330-01-523-8333 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-523-8333 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-523-8333. Primary manufacturer part number: 11418.
Features
  • Back-Up Ring,preformed Packing — FSC 5330
  • 3 verified cross-references
  • Primary manufacturer: Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Back-Up Ring,preformed Packing, cataloged under National Stock Number 5330-01-523-8333, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBack-Up Ring,preformed Packing
FSC / FSG5330 — No Item Name Available (FSG 53)
ManufacturersWorcester Controls Corp P O Box 2609 Cookeville Tn 385022609 (CAGE 98991)
Technical Specifications
ParameterValue
NSN5330-01-523-8333
Primary Part Number11418
Item NameBack-Up Ring,preformed Packing
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerWorcester Controls Corp P O Box 2609 Cookeville Tn 385022609
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-224-26615120-00-224-2661 INTERCHANGEABLE
Grip,cable,jaw
General Services Administration Federal Supply Service
5133-00-227-9652 INTERCHANGEABLE
Drill,twist
6240-00-295-1825F36T12CW INTERCHANGEABLE
Lamp,fluorescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
5950-00-647-7722672-0330-000 INTERCHANGEABLE
Transformer,power
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5120-00-892-5744 INTERCHANGEABLE
Hammer,hand
5950-00-961-610611418 INTERCHANGEABLE
Transformer
Astec America Inc.
4320-01-180-462711418 INTERCHANGEABLE
Impeller,pump,centrifugal
Westerbeke Corporation
5325-01-194-5273361119 INTERCHANGEABLE
Ring,retaining
General Motors Llc Dba General Motors Llc
5310-01-547-7430119-1618 INTERCHANGEABLE
Washer,lock
Caterpillar Inc Div Caterpillar Defense
4540-01-548-431411418 INTERCHANGEABLE
Stirrer,incinerator
Gta Marine Dba Gta Marine
Cross-Reference Index
Part NumberManufacturer
11418 Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609 (USA)
2IN 4446ATSW NO18 PEEK PROTECTO Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609 (USA)
2IN 4446RTSW NO18 PEEK PROTECTO Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609 (USA)
Related Parts
5120-00-224-2661INTERCHANGEABLE
GRIP,CABLE,JAW
5120-00-224-2661
5133-00-227-9652INTERCHANGEABLE
DRILL,TWIST
6240-00-295-1825INTERCHANGEABLE
LAMP,FLUORESCENT
F36T12CW
5950-00-647-7722INTERCHANGEABLE
TRANSFORMER,POWER
672-0330-000
5120-00-892-5744INTERCHANGEABLE
HAMMER,HAND
5950-00-961-6106INTERCHANGEABLE
TRANSFORMER
11418
4320-01-180-4627INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
11418
5325-01-194-5273INTERCHANGEABLE
RING,RETAINING
361119
5310-01-547-7430INTERCHANGEABLE
WASHER,LOCK
119-1618
4540-01-548-4314INTERCHANGEABLE
STIRRER,INCINERATOR
11418
5120-01-654-2159INTERCHANGEABLE
SOCKET,SOCKET WRENCH
3120-01-699-2870INTERCHANGEABLE
BEARING,WASHER,THRUST
1/2"-T44-6-6-T-SW-V1-8

Frequently Asked Questions

What is NSN 5330-01-523-8333?

NSN 5330-01-523-8333 is a Back-Up Ring,preformed Packing, manufactured by Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-523-8333?

NSN 5330-01-523-8333 has 3 cross-referenced part numbers: 11418 (Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609), 2IN 4446ATSW NO18 PEEK PROTECTO (Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609), 2IN 4446RTSW NO18 PEEK PROTECTO (Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609).

What NSN replaces 5330-01-523-8333?

There are 12 known substitutes for 5330-01-523-8333: 5120-00-224-2661, 5133-00-227-9652, 6240-00-295-1825 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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